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usr / src / contrib / llvm-project / llvm / lib / Target / RISCV / MCTargetDesc /

📁 ..
📄 RISCVAsmBackend.cpp(16.91 KB)
📄 RISCVAsmBackend.h(4.58 KB)
📄 RISCVELFObjectWriter.cpp(5.06 KB)
📄 RISCVELFStreamer.cpp(5.48 KB)
📄 RISCVELFStreamer.h(3.43 KB)
📄 RISCVFixupKinds.h(3.71 KB)
📄 RISCVInstPrinter.cpp(6.35 KB)
📄 RISCVInstPrinter.h(2.81 KB)
📄 RISCVMCAsmInfo.cpp(1.91 KB)
📄 RISCVMCAsmInfo.h(1.01 KB)
📄 RISCVMCCodeEmitter.cpp(14.67 KB)
📄 RISCVMCExpr.cpp(6.73 KB)
📄 RISCVMCExpr.h(2.63 KB)
📄 RISCVMCTargetDesc.cpp(5.44 KB)
📄 RISCVMCTargetDesc.h(1.77 KB)
📄 RISCVTargetStreamer.cpp(4.04 KB)
📄 RISCVTargetStreamer.h(2.23 KB)

Editing: RISCVELFStreamer.h

//===-- RISCVELFStreamer.h - RISCV ELF Target Streamer ---------*- C++ -*--===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_RISCV_RISCVELFSTREAMER_H
#define LLVM_LIB_TARGET_RISCV_RISCVELFSTREAMER_H

#include "RISCVTargetStreamer.h"
#include "llvm/MC/MCELFStreamer.h"

namespace llvm {

class RISCVTargetELFStreamer : public RISCVTargetStreamer {
private:
  enum class AttributeType { Hidden, Numeric, Text, NumericAndText };

struct AttributeItem {
    AttributeType Type;
    unsigned Tag;
    unsigned IntValue;
    std::string StringValue;
  };

StringRef CurrentVendor;
  SmallVector<AttributeItem, 64> Contents;

MCSection *AttributeSection = nullptr;

AttributeItem *getAttributeItem(unsigned Attribute) {
    for (size_t i = 0; i < Contents.size(); ++i)
      if (Contents[i].Tag == Attribute)
        return &Contents[i];
    return nullptr;
  }

void setAttributeItem(unsigned Attribute, unsigned Value,
                        bool OverwriteExisting) {
    // Look for existing attribute item.
    if (AttributeItem *Item = getAttributeItem(Attribute)) {
      if (!OverwriteExisting)
        return;
      Item->Type = AttributeType::Numeric;
      Item->IntValue = Value;
      return;
    }

// Create new attribute item.
    Contents.push_back({AttributeType::Numeric, Attribute, Value, ""});
  }

void setAttributeItem(unsigned Attribute, StringRef Value,
                        bool OverwriteExisting) {
    // Look for existing attribute item.
    if (AttributeItem *Item = getAttributeItem(Attribute)) {
      if (!OverwriteExisting)
        return;
      Item->Type = AttributeType::Text;
      Item->StringValue = std::string(Value);
      return;
    }

// Create new attribute item.
    Contents.push_back({AttributeType::Text, Attribute, 0, std::string(Value)});
  }

void setAttributeItems(unsigned Attribute, unsigned IntValue,
                         StringRef StringValue, bool OverwriteExisting) {
    // Look for existing attribute item.
    if (AttributeItem *Item = getAttributeItem(Attribute)) {
      if (!OverwriteExisting)
        return;
      Item->Type = AttributeType::NumericAndText;
      Item->IntValue = IntValue;
      Item->StringValue = std::string(StringValue);
      return;
    }

// Create new attribute item.
    Contents.push_back({AttributeType::NumericAndText, Attribute, IntValue,
                        std::string(StringValue)});
  }

void emitAttribute(unsigned Attribute, unsigned Value) override;
  void emitTextAttribute(unsigned Attribute, StringRef String) override;
  void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
                            StringRef StringValue) override;
  void finishAttributeSection() override;
  size_t calculateContentSize() const;

public:
  MCELFStreamer &getStreamer();
  RISCVTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);

void emitDirectiveOptionPush() override;
  void emitDirectiveOptionPop() override;
  void emitDirectiveOptionPIC() override;
  void emitDirectiveOptionNoPIC() override;
  void emitDirectiveOptionRVC() override;
  void emitDirectiveOptionNoRVC() override;
  void emitDirectiveOptionRelax() override;
  void emitDirectiveOptionNoRelax() override;
};
}
#endif

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Editing: RISCVELFStreamer.h

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